Best Price for Quickutz Silouette Replacement Blades

My local store sells the replacement blades for Quickutz Silhouette die cutting machine a staggering 60.00. Not what I had in mind when I bought this machine hoping to save money!
The first time I had to replace I thought I would have a heart attack! No way can I afford to replace the blades at this cost.

What Are the Cheapest Replacement Blades for Silhouette Die Cutting Machines?

I found an online store that sells Silhouette replacement blades at a great price-
You can buy them at Scrapbookdiecutter.com for only 11.00 plus shipping.